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Kartlegging av vannkjemi i Drammensregionen

Authors: Hagen, Anders Gjørwad;

Kartlegging av vannkjemi i Drammensregionen

Abstract

The Norwegian Environment Agency has established a working group to investigate the possibility of treating the rivers in the Drammen region to eradicate the salmon parasite Gyrodactylus salaris. The working group has identified various scientific questions needing clarification for the group to respond to the mandate, and the group thus proposed research to clarify the questions. The working group has identified a need for mapping the water chemistry of catchments considered for treatment, including the catchments draining to the fjords outside the rivers. Such an investigation should reveal deviations in water chemistry e.g. mineral rich ground water, and the data will provide the basis for calculating the consumption of chemicals. The project included taking water samples for analysis, as well as providing and processing of historic data from existing databases. The review of existing databases showed that there was abundant water chemistry data for the area, but with varying relevance to the project. Hence, a water sampling was conducted to collect the necessary data for later calculations of the consumption of chemicals during treatments.

Miljødirektoratet har nedsatt en arbeidsgruppe for å se på muligheten for å bekjempe Gyrodactylus salaris i Drammensregionen. Arbeidsgruppen har identifisert ulike kunnskapsbehov for å svare på mandatet, og forslag til undersøkelser for å dekke kunnskapsbehovet. Arbeidsgruppen har identifisert behov for en kartlegging av vannkjemi i nedbørfeltene som vurderes behandlet, herunder utenforliggende fjordsystem. En slik undersøkelse vil avsløre avvikende vannkjemi (eks. grunnvann), og dataene vil legge grunnlag for beregninger av kjemikalieforbruk. Prosjektet omfattet vannprøver og analyser, samt fremskaffing og bearbeiding av data fra eksisterende databaser. Gjennomgangen av eksisterende databaser viste at det fantes mye vannkjemidata for området, men med varierende relevans for prosjektet. Det ble derfor gjennomført en prøvetakingsrunde for å innhente de nødvendige data for senere beregninger av kjemikalieforbruk.

Miljødirektoratet

Country
Norway
Related Organizations
Keywords

Vannkjemi, River Sandeelva, River Drammenselva, Water chemistry, River Lierelva, Sandeelva, Lierelva, Drammenselva, VDP::Matematikk og naturvitenskap: 400, VDP::Mathematics and natural scienses: 400

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green